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  Monitoring Relays (822 items)

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Siemens Thermistor Motor Protection Monitoring Relay, DPDT, DIN Rail / 1752281 (2 offers) 
Thermistor motor protection relay Standard evaluation unit 22.5 mm enclosure screw terminal 2 change-over contacts US = 24 V AC/DC Manul/Remote-Reset with ATEX approval 2 LEDs (READY/TRIPPED) galva...
Siemens
3RN2011-1BA30
from £ 63.10*
per piece
 
 piece
ABB Temperature Monitoring Relay, SPDT, DIN Rail / 8765005 (3 offers) 
Some products also have the ATEX approval for the use in hazardous areas. CM-MSS Series Thermistor Motor Protection Relays. Heavy duty starting Increased switching frequency High ambient temperatur...
ABB
1SVR740722R1400 CM-MSS.21P
from £ 63.15*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, DIN Rail / 1752283 (2 offers) 
Siemens Thermistor Motor Protection RelayThe Siemens thermistor motor protection relay is a reliable over temperature protection device that saves motors from overloading. The relay has a mechanism...
Siemens
3RN2011-2BA30
from £ 63.24*
per piece
 
 piece
Siemens Monitoring Relay / 1975370 (2 offers) 
The Siemens analogue monitoring relay is used for 3 phase sequence monitoring. It has snap-on mounting and screw type terminals.Auto reset IP20 protection class Galvanic isolation
Siemens
3UG4511-1AP20
from £ 63.30*
per piece
 
 piece
Carlo Gavazzi Thermistor Motor Protection Monitoring Relay, SPST, DIN Rail / 2010821 (2 offers) 
The Carlo Gavazzi DTA04 is a motor thermistor monitoring relay. It detects when one or more motor windings are exceeding the maximum operating winding temperature.Equipped with 2 outputs which oper...
Carlo Gavazzi
DTA04DM24
from £ 63.46*
per piece
 
 piece
Schneider Electric RM22TU23 electrical relay Black (2 offers)
Schneider Electric
RM22TU23
from £ 63.57*
per piece
 
 piece
Siemens Level Monitoring Relay, SPDT / 2550868 (2 offers) 
Monitoring Application = Level Contact Configuration = SPDT Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3UG4501-2AA30
from £ 63.88*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, SPDT / 2131300 (3 offers) 
The Siemens 3UG series is a Analog monitoring relay. The monitoring function is of phase monitoring. Withh 1 change-over contacts spring type terminal connection system.It has a protection class ra...
Siemens
3UG4511-2AP20
from £ 63.96*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 177 → 550V ac, DIN Rail / 2010820 (2 offers) 
The Carlo Gavazzi DPB51 is a 3-phase or 3-phase+neutral line voltage monitoring relay for phase sequence, phase loss, over and under voltage with built-in time delay function.Detects when all 3 pha...
Carlo Gavazzi
DPB51CM44
from £ 64.10*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 177 → 475V ac, DIN Rail / 8577416 (3 offers) 
DPA01/PPA01 Monitoring Relay. Carlo Gavazzi DPA01 and PPA01 series three-phase relay for detection of incorrect phase sequence, total and partial phase loss. The relays have a wide supply voltage r...
Carlo Gavazzi
PPA01CM44
from £ 64.27*
per piece
 
 piece
Finder Thermistor NFC Monitoring Relay, Single Phase, 184 → 253V ac/dc, DIN Rail / 2761203 (1 offer) 
Monitoring Application = Thermistor Electrical Phase = Single Voltage Sensing Range = 184 → 253V ac/dc Mounting Type = DIN Rail
Finder
70.92.8.230.0002
£ 64.43*
per piece
 
 piece
Finder Thermistor NFC Monitoring Relay, Single Phase, 19.2 → 26.4V ac/dc, DIN Rail / 2761202 (1 offer) 
Monitoring Application = Thermistor Electrical Phase = Single Voltage Sensing Range = 19.2 → 26.4V ac/dc Mounting Type = DIN Rail
Finder
70.92.0.024.0002
£ 64.43*
per piece
 
 piece
Omron Level Monitoring Relay, 3 Phase, SPDT, DIN Rail / 1113123 (4 offers) 
K8DT-LS Conductive Level Controller. Omron K8DT-LS conductive level controllers are Ideal for water level control. Offering sensitivity adjustment and an ON-delay timer that is ideal as a counterme...
Omron
K8DT-LS1CA
from £ 64.55*
per piece
 
 piece
Omron Level Monitoring Relay, 3 Phase, SPDT, DIN Rail / 1113124 (3 offers) 
K8DT-LS Conductive Level Controller. Omron K8DT-LS conductive level controllers are Ideal for water level control. Offering sensitivity adjustment and an ON-delay timer that is ideal as a counterme...
Omron
K8DT-LS1CD
from £ 64.55*
per piece
 
 piece
Omron Level Monitoring Relay, 3 Phase, SPST, DIN Rail / 1113126 (3 offers) 
K8DT-LS Conductive Level Controller. Omron K8DT-LS conductive level controllers are Ideal for water level control. Offering sensitivity adjustment and an ON-delay timer that is ideal as a counterme...
Omron
K8DT-LS1TD
from £ 64.55*
per piece
 
 piece
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